Philippines: mother and son murder by police officer ignites calls for change

Incident intensifies criticism of President Duterte, accused of allowing police to act with impunity

The brazen killing of a mother and her son at close range by an off-duty officer has caused outrage in the Philippines and reignited calls for reform of the country's police force.

The incident, which was recorded by a witness on film, has intensified criticism of the president, Rodrigo Duterte, who has been accused by rights groups of allowing police and the military to act with impunity.